Excludes CryptoBenchmark from 'compile' target.

build.xml

@@ -63,6 +63,8 @@
         target="1.6">
       <src path="${src}"/>
       <exclude name="org/jitsi/impl/neomedia/codec/audio/speex/Java*"/>
+      <exclude
+          name="org/jitsi/impl/neomedia/transform/srtp/CryptoBenchmark.java"/>
     </javac>
   </target>
   <target name="compile-test" depends="compile">
@@ -89,7 +91,22 @@
         file="${src}/org/jitsi/impl/neomedia/codec/EncodingConfigurationImpl.java"
         token="public static final boolean G729 = true"
         value="public static final boolean G729 = false"/>
-   </target>
+  </target>
+  <!-- Use this target to build with CryptoBenchmark.java -->
+  <target name="compile-with-benchmark">
+    <mkdir dir="${dest}" />
+    <javac
+        classpathref="compile.class.path"
+        debug="true"
+        destdir="${dest}"
+        fork="true"
+        optimize="true"
+        source="1.6"
+        target="1.6">
+        <src path="${src}"/>
+        <exclude name="org/jitsi/impl/neomedia/codec/audio/speex/Java*"/>
+    </javac>
+  </target>
 
   <target name="jar" depends="compile">
     <jar